Home / 18,311.68-27,436.13-12,296.48

Finding the Fourth Proportional to 18,311.68, 27,436.13 and 12,296.48

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Solution

The fourth proportional to 18,311.68, 27,436.13 and 12,296.48 is: 18,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.68 : 27,436.13 = 12,296.48 : x
  2. Step 2: Convert to fraction form
    18,311.68/27,436.13 = 12,296.48/x
  3. Step 3: Cross multiply
    18,311.68x = 27,436.13 × 12,296.48
  4. Step 4: Simplify right side
    18,311.68x = 337,367,728.04
  5. Step 5: Solve for x
    x = 337,367,728.04/18,311.68
  6. Step 6: Final answer
    x = 18,423.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.